Table 1.

¹H- and ¹³C-Nuclear Magnetic Resonance (NMR) data (400 and 100 MHz, CD₃OD) of Epicatechin Trimeric Proanthocyanidin (ETP).

Ring	No.	13C	1H	Ring	No.	13C	1H	Ring	No	13C	1H
C	2	79.01	5.7, s, m	C′	2′	105.08	3.28 (d, 3.47) 4.15 (d, 3.47)	C″	2″	80.44	4.39 (s)
	3	72.72	4.13, d, m		3′	67.33	3.28 (d, 3.47)		3″	67.67	3.87–3.85 (m)
	4	38.92	4.6, br, s		4′	29.01	4.15, (d, 3.47)		4″	30	a. 2.84 (dd, 4.6, 17.3) b. 2.84 (dd, 4.6, 17.3)
A	5	156.90		A′	5′	151.2		A″	5″	156.16
	6	98.9	6.02 (d, 2.3)		6′	96.21	5.8 (s)		6″	96.61	6.10 (s)
	7	157.95			7′	155.9			7″	155.94
	8	96.7	5.98 (d, 2.3)		8′	106.87			8″	108.9
	9	154.29			9′	151.92			9″	151.92
	10	106.55			10′	100.09			10″	100.19
B	11	131		B′	11′	119.56		B″	11″	133.3
	12	116.86	7.32 d (1.9)		12′	115.88	6.10 d (1.5)		12″	115.85	7.03 (d, 1.93)
	13	145.89			13′	145.46			13″	146.74
	14	146.42			14′	145.89			14″	146.03
	15	120.01	6.83 (d, 8.0)		15′	116.14	6.83 (d, 8.0)		15″	116.27	6.75 (d, 8.0)
	16	121.49	7.2 (dd, 1.9, 8)		16′	115.61	7.2 (dd, 1.9, 8)		16″	119.56	6.73 (dd, 1.93, 8.04)